The role of π-bonding on the high temperature structure of the double perovskites Ba2CaUO6 and BaSrCaUO6. Issue 36 (28th September 2015)

• Record Type: Journal Article
• Authors: Reynolds, Emily; Thorogood, Gordon J.; Avdeev, Maxim; Brand, Helen E. A.; Gu, Qinfen; Kennedy, Brendan J.
• Is Part Of: Dalton transactions. Volume 44:Issue 36(2015)
• Page Start: 16036
• Page End: 16044
• Publication Date: 2015-09-28
• Subjects: Chemistry, Inorganic -- Periodicals; Chemistry, Physical and theoretical -- Periodicals; Chemistry, Inorganic -- Periodicals; 546.05
• DOI: 10.1039/c5dt02663f
• Languages: English
• ISSNs: 1477-9226

Abstract

<abstract abstract-type="toc"> <title> <x xml:space="preserve">Abstract</x> </title> <p> <graphic position="anchor" id="ga" xlink:href="ark:/27927/pgj2qrn906j" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" />High temperature synchrotron X-ray and neutron diffraction powder diffraction studies of the uranium perovskites Ba₂CaUO₆ and BaSrCaUO₆ reveal unusual phase transition behavior associated with the progressive loss of cooperative octahedral tilting.</p> </abstract>